Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Statement Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowances	$ 1,722	$ 923
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	27,888,217	27,888,217
Common stock, shares outstanding	26,672,114	26,807,203
Treasury stock, shares	1,216,103	1,081,014